High capacity plank maker

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Description: Plank making machine
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The high capacity plank maker is a machine that can be built in the Invention Guild basement at level 117 Invention. It is an upgraded version of the plank maker. It automatically converts logs into planks, even while the player is offline. The plank maker does not incur the normal coin cost for converting logs to planks.

Every hour, on the hour, the high capacity plank maker will process up to 40 items deposited in it, consuming up to 600 machine charge. Building it requires 65 of the power allotment supplied by the generator. It can hold up to 7,500 items over the three input slots. Researching the high capacity plank maker blueprint awards 256,568 Invention experience.

Once the plank maker has processed some logs, the resulting planks may be withdrawn via the machine management interface.

Creation[edit | edit source]

High capacity plank maker (icon).png High capacity plank maker
Invention-Hourglass.pngMake-X GE icon.png
7,100 XP-?-
Requirements
Invention Invention level117
Blueprint (Invention).png Discover: High capacity plank maker
Power (icon).png Power required: 65
Machine built: Plank maker
P2P icon.png Members only
Materials
ItemQuantityPriceTotal
Precise components.pngPrecise components207,301[r 1]146,020
Sharp components.pngSharp components2014,912[r 2]298,240
Living components.pngLiving components3024,054[r 3]721,620
Crafted parts.pngCrafted parts3001,904[r 4]571,200
Total price1,737,080
  1. ^ Price based on the average cost per material of several items. See RS:Material prices § Precise components for details.
  2. ^ Price based on the average cost per material of several items. See RS:Material prices § Sharp components for details.
  3. ^ Price based on the GE value of Barberry seed as the cheapest price per component. See RS:Material prices § Living components for details.
  4. ^ Price based on the average cost per material of several items. See RS:Material prices § Crafted parts for details.

Analysis[edit | edit source]

The high capacity plank maker processes 40 items per hour at a cost of 600 machine charge. Thus, each item costs 15 machine charge to process - an equivalent of 251.2 coins per item.

The high capacity plank maker processes 960 items per day at a cost of 14,400 machine charge (approximately 4.8 divine charges). When completely filled, it will take 7 days 20 hour to process the 7,500 input items, using 112,800 machine charges (approximately 37.6 divine charges).

Profit[edit | edit source]

Log Plank Profit via
machine
Hourly Profit Daily profit Weekly profit Profit via
sawmill
Profit via
portable/cape
Logs.png: RS3 Inventory image of LogsLogs
(1,380)
Plank.png: RS3 Inventory image of PlankPlank
(1,966)
334.77 13,390.6 321,374.4 2,249,620.8 486 496
Oak logs.png: RS3 Inventory image of Oak logsOak logs
(840)
Oak plank.png: RS3 Inventory image of Oak plankOak plank
(435)
−656.23 −26,249.4 −629,985.6 −4,409,899.2 −655 −630
Teak logs.png: RS3 Inventory image of Teak logsTeak logs
(214)
Teak plank.png: RS3 Inventory image of Teak plankTeak plank
(632)
166.77 6,670.6 160,094.4 1,120,660.8 −82 −32
Mahogany logs.png: RS3 Inventory image of Mahogany logsMahogany logs
(837)
Mahogany plank.png: RS3 Inventory image of Mahogany plankMahogany plank
(1,737)
648.77 25,950.6 622,814.4 4,359,700.8 −600 −450

Update history[edit | edit source]

This information has been compiled as part of the update history project. Some updates may not be included - see here for how to help out!
  • ninja 14 December 2020 (Update):
    • Players will now receive log in and update messages whenever their Invention machines have finished processing their inputs, run out of secondary inputs, or run out of charges.
      • These messages can be toggled in the Login Messages or Notification Messages option menus.